he is immersed in the lives of his residents in newark, many of whom are poor. since he's a mayor, he's in a position to do something about policy. >> right. >> other times you'll see somebody that's just doing something, it seems like a lark, you don't see much of an upside for it. you have to look at the individual cases. >>> when i come back, i want to ask about the other aspect. part of is it the psychology, but when you write a book about it, they pay you for that. there's a profit question on the other side. we'll take a quick break and when we come back, i want to talk more about what do we learn by pretending. [ loud party sounds ] hi, i'm ensure clear... clear, huh? i'm not juice or fancy water. i've got nine grams of protein. that's three times more than me! [ female announcer ] ensure clear. nine grams protein. zero fat. in blueberry/pomegranate and peach. ♪ you can stay in and like something... ♪ [ car alarm deactivates ] ♪ ...or you can get out there with your family and actually like something. ♪ the lexus december to remember sales event i